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1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#import "gtest_mac.h"
6
7#include <gtest/internal/gtest-port.h>
8#include <gtest/internal/gtest-string.h>
9#include <gtest/gtest.h>
10
11#ifdef GTEST_OS_MAC
12
13#import <Foundation/Foundation.h>
14
15namespace testing {
16namespace internal {
17
18// This overloaded version allows comparison between ObjC objects that conform
19// to the NSObject protocol. Used to implement {ASSERT|EXPECT}_EQ().
20GTEST_API_ AssertionResult CmpHelperNSEQ(const char* expected_expression,
21                                         const char* actual_expression,
22                                         id<NSObject> expected,
23                                         id<NSObject> actual) {
24  if (expected == actual || [expected isEqual:actual]) {
25    return AssertionSuccess();
26  }
27  return EqFailure(expected_expression,
28                   actual_expression,
29                   String([[expected description] UTF8String]),
30                   String([[actual description] UTF8String]),
31                   false);
32}
33
34// This overloaded version allows comparison between ObjC objects that conform
35// to the NSObject protocol. Used to implement {ASSERT|EXPECT}_NE().
36GTEST_API_ AssertionResult CmpHelperNSNE(const char* expected_expression,
37                                         const char* actual_expression,
38                                         id<NSObject> expected,
39                                         id<NSObject> actual) {
40  if (expected != actual && ![expected isEqual:actual]) {
41    return AssertionSuccess();
42  }
43  Message msg;
44  msg << "Expected: (" << expected_expression << ") != (" << actual_expression
45      << "), actual: " << String([[expected description] UTF8String])
46      << " vs " << String([[actual description] UTF8String]);
47  return AssertionFailure(msg);
48}
49
50}  // namespace internal
51}  // namespace testing
52
53#endif  // GTEST_OS_MAC
54